(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

http://imageshack.us/photo/my-images/855/10544781.png/

2. Relevant equations

a=[r''-r0'^2]er+[r0'' + 2r'0']e0 where 0 = theta

3. The attempt at a solution

stumped about it, i've tried setting the above to 0 then work out r which is 200 m but that's just cluelessly subbing values into the equation, any directions as to where to head? thanks!

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# Angular Acceleration of Camera

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